📈Last 7 days+4 installs — 0% faster than the week before (+4) · 1/day since Oct 7
🏆Among Music & Audio apps bottom 18% by installs gained this week (584 peers growing)
🛠Updatesdormant · updated 132 days ago
Installs since launch
+14 installs
since Oct 7
Update history
1.3Jul 6, 2026 · seen Oct 15, 2026
Initial release of Octave Challenge.<br><br>• Detect your singing note, octave, and frequency in real time<br>• Challenge your highest note<br>• Track hold time and stability<br>• Record and play back singing sessions<br>• Save local challenge history<br>• Show Do Re Mi solfege labels<br>• Share high note result cards<br>• Simple dark karaoke-friendly design<br>
Only the current version so far — new entries appear as the app ships updates.
Octave Challenge: High Note is a music & audio app by grabbox studio with 50+ downloads (about 51 estimated). +4 installs in the last 7 days. Released Jun 12, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Sing, record, and challenge your highest note.”
